Home / 94,110.39-129,815.33-55,844.78

Finding the Fourth Proportional to 94,110.39, 129,815.33 and 55,844.78

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Solution

The fourth proportional to 94,110.39, 129,815.33 and 55,844.78 is: 77,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,110.39 : 129,815.33 = 55,844.78 : x
  2. Step 2: Convert to fraction form
    94,110.39/129,815.33 = 55,844.78/x
  3. Step 3: Cross multiply
    94,110.39x = 129,815.33 × 55,844.78
  4. Step 4: Simplify right side
    94,110.39x = 7,249,507,616.18
  5. Step 5: Solve for x
    x = 7,249,507,616.18/94,110.39
  6. Step 6: Final answer
    x = 77,031.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.